29 citations · 130 across the 6 of their papers we have counts for
15 papers
Resonance structures in kink-antikink collisions in a deformed sine-Gordon model
Patrick Dorey, Anastasia Gorina, Ilya Perapechka +2
We study kink-antikink collisions in a model which interpolates smoothly between the completely integrable sine-Gordon theory, the model, and a -like model with three de…
Chains of Boson Stars
C. A. R. Herdeiro, J. Kunz, I. Perapechka +2
We study axially symmetric multi-soliton solutions of a complex scalar field theory with a sextic potential, minimally coupled to Einstein's gravity. These solutions carry no angul…
Q-chains in the gauged Friedberg-Lee-Sirlin model
Viktor Loiko, Ilya Perapechka, Yakov Shnir
We construct static axially symmetric multi-Q-ball configurations in the gauged two-component Fridberg-Lee-Sirlin model a flat spacetime. The solutions represent electromagn…
Multipolar boson stars: macroscopic Bose-Einstein condensates akin to hydrogen orbitals
C. A. R. Herdeiro, J. Kunz, I. Perapechka +2
Boson stars are often described as macroscopic Bose-Einstein condensates. By accommodating large numbers of bosons in the same quantum state, they materialize macroscopically the i…
Kinks bounded by fermions
Ilya Perapechka, Yakov Shnir
We present and study new mechanism of interaction between the solitons based on the exchange interaction mediated by the localized fermion states. As particular examples, we consid…
Fermions on the kink revisited
V. Klimashonok, I. Perapechka, Ya. Shnir
We study fermion modes localized on the kink in the 1+1 dimensional model, coupled to the Dirac fermions with backreaction. Using numerical methods we construct self-consiste…